Clostridium perfringens
Unsatisfactory levels of C. perfringens generally occur as a result of temperature abuse where
cooked foods are held at warm temperatures (103 cfu per gram) of C. perfringens should result in an investigation of the food handling
controls used by the food business. Levels of ≥104 cfu per gram are considered as potentially
hazardous as consumption of foods with this level of contamination may result in food borne
illness.
Bacillus cereus and other Bacillus spp
An unsatisfactory level of B. cereus in cooked foods generally occurs as a result of
inadequate temperature control. As for C. perfringens, cooked foods should be held at or